smallorange-jwt v1.0.0

        const assert = require('assert');
        const {
            decode,
            sign,
            verify
        } = require('./');

        const secret = 'mySecret';
        const jwt = sign({
            role: 'admin',
            user: 'admin'
        }, secret);

        // should decode
        jwt.then(token => {
                return decode(token, secret);
            })
            .then(payload => {
                assert.deepStrictEqual(payload, {
                    role: 'admin',
                    user: 'admin',
                    iat: payload.iat
                });
            });

        // should verify
        jwt.then(token => {
            return verify(token, secret);
        })
        .then(payload => {
            assert.deepStrictEqual(payload, {
                role: 'admin',
                user: 'admin',
                iat: payload.iat
            });
        });

        // handle invalid signature
        jwt.then(token => {
                return verify(token, 'wrongSectet');
            })
            .catch(err => {
                assert.strictEqual(err.message, 'invalid signature');
            });